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How Much Does Spray Foam Insulation Cost When Building a New Home?

By: Amanda Ringler on December 22nd, 2017

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How Much Does Spray Foam Insulation Cost When Building a New Home?

new build home insulation  |  insulation  |  new construction insulation cost

The blue prints have been drawn up and you have decided on countertops and flooring for your new home, but now it’s time to look into the cost of spray foam insulation.

Your new home needs to be the comfortable and inviting place you always dreamed it would be. The right insulation will leave you and your family warm in the winter and cool in the summer while saving you money on your monthly energy bills.

RetroFoam of Michigan has more than 15 years of experience insulating new build homes across the lower peninsula with superior spray foam insulation.

In our continued efforts to educate homeowners, here is a look at how much it would cost to insulate a new construction home.

New Home Insulation Options

cellulose, fiberglass, and foam insulation

The most commonly used insulation materials for new home construction are spray foam, fiberglass, and cellulose.

You’ve likely already done your homework and talked with your contractor about the benefits of spray foam. You will want to reduce air movement in and out of your home while making it more energy efficient.

Controlling that air movement will also help you avoid any condensation issues that lead to moisture problems.

Spray foam may cost between two and three times more than traditional insulation materials, but it prevents many future problems and pays you back over the life of the home with lower energy bills, making it worth the investment.

If you are looking to prevent future problems, while providing a comfortable home for your family and saving money on monthly energy bills, then spray foam insulation is the way to go.

How Much Does it Cost to Insulate a New Build House with Spray Foam Insulation?

Invest in home insulation

New build homes run the gamut when it comes to size.

We’ve insulated new homes from around 1,100-square -feet all the way up to 6,000-square-feet. The average home we insulate is usually in the 2,000- to 2,500-square-feet range.

The price range to insulate the average sized new construction home is between $10,000 and $13,000 from the top to the bottom.

The price range for a home around 1,000-square-feet would be between $5,000 and $7,000, while insulating a new 6,000-square-feet home would be more than $60,000.

What Factors Determine the Total Cost of Spray Foam Insulation When Building a New Home?

The square footage of the home is always going to be the number one factor when determining the cost of the project.

The more area that needs to be insulated with spray foam, the higher the cost will be. Some houses are built like a box, which makes the process easier and less expensive. Other houses have more complex layouts, which means more square footage and difficulty of installation. These more intricate designs will cost more to insulate.

The same is true for the attic.

There are many variables in the attic that can impact the cost of spray foam, such as the pitch of the roof and if the roof deck or attic floor is going to be sprayed.

The roof deck would be insulated to create an unvented attic system, which is great for storage or a conditioned space. The attic floor would be sprayed in a traditional vented attic system and is less square footage than spray the roof deck.

The type of material used can also factor into the cost of the project.

The spray foam options available are open cell and closed cell. Open cell spray foam is less expensive than closed cell, but there is more to it than just cost when you look at the differences.

Open Cell vs Closed Cell Spray Foam When Building a New Home

Both open cell and closed cell are spray foam insulation that create an air barrier, but there are some differences between them aside from just cost.

Those difference include how they are applied, their efficiency in homes compared to other buildings, and how they work. Let’s take a quick look at those differences.

Open cell spray foam is a lightweight material and very pliable making it easy to work with. Closed cell spray foam is rigid and very dense.

Open cell has a very high expansion rate that will get into all of the nooks and crannies throughout your new home. Closed cell has a very minimal expansion rate when applied.

Another benefit of open cell spray foam over closed cell is the ability to reduce sound waves keeping those outdoor noises outside where they belong.

Something that is important to keep in mind is that a new home is going to shift and settle over time. Because open cell is pliable, it will move with the house, whereas closed cell will pull away from the studs.

In all honesty, you will hear people rave about how closed cell spray foam adds structural integrity to your new home, but if you’re counting on your insulation to hold your house together, you have much bigger problems going on.

Both open cell and closed cell spray foams are great insulators and create air seals. Because of the facts and differences listed above, closed cell is best to be applied in most commercial settings and on the open walls of a pole barn, while many homeowners are choosing open cell for their new homes.

How Long Does it Take to Install Spray Foam Insulation When Building a New Home?

When it comes to new construction, it could take days or weeks before the insulation can be installed.

This is because the insulation installation is scheduled around other contractors, such as windows or other parts of the home that need to be worked on first.

Insulation contractors also have to work around inspections, so the framing and other aspects of the house need to be inspected and approved before the insulation can be installed.

Once all of the plans have been finalized and inspections have been passed, a date is worked out that works and coincides with the rest of the construction.

On the day of the install, two crews will come to the construction site and begin to spray the foam in the open cavities. For a 2,000- to 2,500-square-feet home it can take one to two days to insulate the home from top to bottom. This includes any preparation around doors, windows, and covering certain items up.

It also includes cleanup, which consists of cleaning up the studs for the contractor who comes in next to hang the drywall.

Best Insulation for New Construction

Spray foam is the best option for new home insulation when looking to create an air seal, ensuring the home will be comfortable, and saving you money on monthly energy bills.

If you agree, want to experience the benefits of spray foam insulation, and live in Michigan’s lower peninsula give us a call at 866-900-3626 or fill out the form on our website. You can also get a rough idea of the cost of the project with our budget calculator.
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